Hastelloy B2 Bar, please note that the above table provides a range of standard diameters and lengths for Hastelloy.
- Dimensions:
- Diameter (D): 3mm ~ 60mm
- Length : 50mm~ 6000mm
- *Customized size needs to be confirmed with us
- Delivery State: Cold Drawn, Hot Rolled, Forged, Grinding, Centerless Grinding
- Finish: Bright, Polishing, Mirror, Hairline, Pickled, Peeled, Black
- Certification: ISO, SGS, BV and so on.
Composition of Hastelloy B2 Bar
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤0.02 |
| Chromium (Cr) | ≤1.0 |
| Nickel (Ni) | Balance |
| Iron (Fe) | ≤2.0 |
| Manganese (Mn) | ≤1.0 |
| Silicon (Si) | ≤0.10 |
| Molybdenum (Mo) | Significant amount (not specified but a key component) |
We have a large amount of high-quality alloy inventory ready for shipment, please request a quote immediately.
Physical Property of Hastelloy B2 Bar
| Physical Property | Value |
|---|---|
| Density | Approximately 9.24 g/cm³ (can vary slightly depending on processing and composition) |
| Melting Point | Range of 1330-1380 °C |
| Thermal Conductivity | (at 20 °C) Varies but typically within the range for nickel-based alloys |
| Electrical Conductivity | (at 20 °C) Varies but typically lower than pure metals due to alloying elements |
| Coefficient of Thermal Expansion | (average from 20-100 °C) Varies but typically within the range for nickel-based superalloys |
The physical properties of Hastelloy B2 Bar make it an ideal material for applications in harsh environments, such as those in the chemical, petrochemical, marine, and nuclear industries. Its high melting point, corrosion resistance, and dimensional stability make it suitable for a wide range of applications where high performance and reliability are required. Huaxiao Metal Manufacturer provides the various the alloy products and the best solution for customers.
Mechanical Property of Hastelloy B2 Bar
| Mechanical Property | Value |
|---|---|
| Tensile Strength (Ultimate) | ≥750 MPa (≈109 ksi) |
| Yield Strength (0.2% Offset) | ≥350 MPa (≈51 ksi) |
| Elongation at Break | ≥40% |
| Hardness (Rockwell B or C scale) | HRB ≤88 or HRC ≈40 |
| Modulus of Elasticity | Approximately 217 GPa (depends on temperature and processing) |
We have a large amount of high-quality alloy inventory ready for shipment, please request a quote immediately.
Advantages of Hastelloy B2 Bar
- Excellent Corrosion Resistance:
- Hastelloy B2 bar demonstrates exceptional corrosion resistance in a wide range of corrosive environments. It exhibits outstanding resistance to strong acids such as hydrochloric acid and sulfuric acid, as well as resistance to chloride ion stress corrosion cracking (SCC) and various organic acids. This makes it particularly suitable for applications in chemical processing, petrochemicals, and other corrosive environments.
- Good High-Temperature Performance:
- Hastelloy B2 bar maintains good mechanical properties and corrosion resistance at high temperatures, with a maximum service temperature of up to 650°C (1202°F). This makes it suitable for high-temperature processes and the handling of high-temperature media.
- Weldability:
- The alloy has good weldability, allowing for easy connection and repair using common welding methods. Welded joints maintain excellent corrosion resistance and mechanical strength, making Hastelloy B2 bar versatile for various fabrication processes.
- Composition and Microstructure:
- The low carbon and silicon contents of Hastelloy B2 bar minimize the precipitation of carbide and other harmful impurity phases in the heat-affected zone during welding. This ensures that the weld area retains its excellent corrosion resistance, contributing to the alloy’s overall durability and performance.
- Versatile Applications:
- Due to its combination of corrosion resistance, high-temperature performance, and weldability, Hastelloy B2 bar is widely used in various industries, including chemicals, petrochemicals, pharmaceuticals, and fertilizers. It is commonly used in equipment such as chemical reactors, storage tanks, and transfer pipelines that handle corrosive chemicals.
- Ductility and Formability:
- Hastelloy B2 bar has relatively high ductility, which facilitates cold forming operations. However, it is important to note that severe cold forming can increase the material’s yield ratio and stress corrosion sensitivity. Proper heat treatment processes should be adopted to mitigate these effects.
Manufacturing Process of Hastelloy B2 Bar
Hastelloy B2 Bar is a type of nickel-based corrosion-resistant alloy plate specifically designed for applications requiring high resistance to corrosion, particularly in welding areas. It is an improved version of its predecessor, Hastelloy B, addressing issues such as knife-line corrosion and intergranular corrosion in the heat-affected zone during welding.Huaxiao Metal Supplier is professional and experienced in producing alloy products in China.
1. Raw Material Selection
Hastelloy B2 bar starts with the selection of high-quality raw materials. The primary components of Hastelloy B2 are nickel (Ni), molybdenum (Mo), iron (Fe), chromium (Cr), and trace amounts of other elements such as carbon (C), silicon (Si), manganese (Mn), copper (Cu), cobalt (Co), phosphorus (P), and sulfur (S). The specific chemical composition is carefully controlled to ensure optimal corrosion resistance, high-temperature performance, and mechanical properties.
2. Melting and Casting
The raw materials are melted using vacuum induction melting (VIM) or electric arc furnace (EAF) melting processes. These methods effectively remove impurities and gases from the melt, ensuring the purity and uniformity of the alloy. Once melted, the molten metal is cast into ingots, which are then cooled and prepared for further processing.
3. Hot Rolling and Forging
The ingots undergo hot rolling and/or forging to shape them into bars. Hot rolling is a process where the metal is heated to a high temperature and then rolled through a series of rolls to reduce its thickness and lengthen it. Forging involves applying pressure to the heated metal to shape it into the desired form. These processes are performed at temperatures typically between 1150°C and 900°C to ensure good plasticity and to facilitate shaping.
4. Heat Treatment
After hot rolling and forging, the Hastelloy B2 bar undergoes heat treatment to improve its mechanical properties and corrosion resistance. The most common heat treatment is solution treatment, which involves heating the material to a temperature between 980°C and 1040°C, holding it at that temperature for 1 to 4 hours, and then rapidly cooling it. This process eliminates precipitates within the material, enhancing its toughness and ductility.
5. Cold Working
Cold working processes such as cold rolling and cold drawing may be applied to further shape and strengthen the Hastelloy B2 bar. These processes are performed at room temperature and increase the material’s hardness and strength by introducing compressive stresses and refining its grain structure.
6. Machining and Finishing
The Hastelloy B2 bar is then machined to the final dimensions and specifications required for its application. Machining may involve cutting, drilling, threading, and other operations. After machining, the surface of the bar is finished to improve its appearance and reduce roughness. This may involve grinding, polishing, or other surface treatment methods.
7. Inspection and Testing
Throughout the manufacturing process, the Hastelloy B2 bar undergoes rigorous inspection and testing to ensure it meets the required standards. This includes chemical composition analysis, mechanical property testing (such as tensile strength, yield strength, and elongation), corrosion resistance testing, and non-destructive testing (such as ultrasonic testing and X-ray testing) to detect any defects or imperfections.
What is Hastelloy B2 Bar?
Hastelloy B2 Bar is a type of nickel-based alloy bar that is renowned for its exceptional corrosion resistance and high-temperature performance. It is specifically designed to address the issues of knife-line corrosion and intergranular corrosion in the weld zone that were prevalent in its predecessor,which is widely used in industries such as chemical processing, petrochemical, aerospace, and energy, applications where resistance to corrosion from acids, including hydrochloric acid and phosphoric acid, is crucial.Huaxiao Metal Supplier is professional and experienced in alloy producing factory, our company provides the personalized services and welcome to inquiry about the lastest price.
Applications of Hastelloy B2 Bar
Hastelloy B2 Bar offers a unique combination of properties that make it an excellent choice for numerous demanding applications. Its corrosion resistance, high strength, ductility, weldability, high-temperature stability, and resistance to stress corrosion cracking contribute to its versatility and reliability in various industries. Welcome to inquiry.
Energy Sector:
- In the energy sector, Hastelloy B2 bar has diverse applications. In nuclear energy, it is used to manufacture internal structural components of nuclear reactors and storage containers for nuclear waste.
- In solar and wind energy, it is utilized in the support structures of solar panels and wind turbines.
- Additionally, in oil and gas extraction, Hastelloy B2 bar is widely applied in wellbore casing, downhole tools, and pipeline systems due to its good high-temperature strength and sulfide corrosion resistance.
Marine Engineering:
- Hastelloy B2 bar’s resistance to seawater corrosion enables its use in marine environments, such as components for submarines and offshore platforms.
- It is also commonly used in the manufacture of seawater desalination equipment and ship components, which not only require long-term corrosion resistance but also adaptability to complex marine environments and harsh climatic conditions.
Aerospace Industry:
- In the aerospace industry, Hastelloy B2 bar is utilized in the manufacture of aircraft and spacecraft components, such as engine parts, fuel tanks, and conduits.
- Its high-temperature strength and corrosion resistance ensure component reliability in high-temperature atmospheres.
In Conclusion
Hastelloy B2 Bar is also used in various other applications such as acetic acid/acetic anhydride production, acid leaching, cellophane manufacturing, chlorination systems, complex mixed acid processing, roller manufacturing for electroplating zinc tanks, expansion bellows manufacturing, flue gas scrubbers, hydrogen fluoride furnace cleaners, incinerator cleaners, nuclear fuel reprocessing, pesticide production, phosphoric acid production, pickling systems, plate heat exchangers, selective filtration systems, sulfur dioxide cooling towers, sulfonation systems, and more. Huaxiao Metal Manufacturer provides the hastelloy plate, and other shapes, such as tubes, wires, strip, coil, plate etc.
Our products are guaranteed in quality, and our professional team can provide technical support and consulting services. If you need more information or have any questions, please free to contact our customer service team.